8mm joint sizes

It doesn't look like a pipe at all

This 12-inch tall beaker-base bong is built with an 18

Everything about this nice boro glass bong exudes top-notch craftsmanship and amazing design

Simply attach this awesome unit to your bong where your bowl normally goes and stop ash and resin from entering your piece

Prism Water Pipes Prism Halo Spaced Out Modular Bong Works with Balloons or Tubes 8mm joint sizesWith its otherworldly design and state of the art modular functionality, the Halo Spaced Out Bong by Prism is one awesome piece. This modular bong stands 17. 8 inches tall and emits quality and class from top to bottom. This incredible water pipe is constructed of high quality glass and features a 5mm thick Spaced Out mouthpiece in white and a Spaced Out beaker base that's 7mm thick. There's a gold halo threaded connector holding the two parts